Finding the Fourth Proportional to 69,977,496.65, 104,965,871.20 and 18,162,061.47

Step by Step Solution

1. Step 1: Write the proportion equation
   69,977,496.65 : 104,965,871.20 = 18,162,061.47 : x
2. Step 2: Convert to fraction form
   69,977,496.65/104,965,871.20 = 18,162,061.47/x
3. Step 3: Cross multiply
   69,977,496.65x = 104,965,871.20 × 18,162,061.47
4. Step 4: Simplify right side
   69,977,496.65x = 1,906,396,604,941,097.50
5. Step 5: Solve for x
   x = 1,906,396,604,941,097.50/69,977,496.65
6. Step 6: Final answer
   x = 27,242,995.20